diff options
Diffstat (limited to 'arch/arm/mach-pxa/palmtx.c')
-rw-r--r-- | arch/arm/mach-pxa/palmtx.c | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/palmtx.c b/arch/arm/mach-pxa/palmtx.c new file mode 100644 index 000000000000..ae8973279c20 --- /dev/null +++ b/arch/arm/mach-pxa/palmtx.c | |||
@@ -0,0 +1,342 @@ | |||
1 | /* | ||
2 | * Hardware definitions for PalmTX | ||
3 | * | ||
4 | * Author: Marek Vasut <marek.vasut@gmail.com> | ||
5 | * | ||
6 | * Based on work of: | ||
7 | * Alex Osborne <ato@meshy.org> | ||
8 | * Cristiano P. <cristianop@users.sourceforge.net> | ||
9 | * Jan Herman <2hp@seznam.cz> | ||
10 | * Michal Hrusecky | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or modify | ||
13 | * it under the terms of the GNU General Public License version 2 as | ||
14 | * published by the Free Software Foundation. | ||
15 | * | ||
16 | * (find more info at www.hackndev.com) | ||
17 | * | ||
18 | */ | ||
19 | |||
20 | #include <linux/platform_device.h> | ||
21 | #include <linux/delay.h> | ||
22 | #include <linux/irq.h> | ||
23 | #include <linux/gpio_keys.h> | ||
24 | #include <linux/input.h> | ||
25 | #include <linux/pwm_backlight.h> | ||
26 | #include <linux/gpio.h> | ||
27 | |||
28 | #include <asm/mach-types.h> | ||
29 | #include <asm/mach/arch.h> | ||
30 | #include <asm/mach/map.h> | ||
31 | |||
32 | #include <asm/arch/audio.h> | ||
33 | #include <asm/arch/palmtx.h> | ||
34 | #include <asm/arch/mmc.h> | ||
35 | #include <asm/arch/pxafb.h> | ||
36 | #include <asm/arch/pxa-regs.h> | ||
37 | #include <asm/arch/mfp-pxa27x.h> | ||
38 | #include <asm/arch/irda.h> | ||
39 | #include <asm/arch/pxa27x_keypad.h> | ||
40 | #include <asm/arch/udc.h> | ||
41 | |||
42 | #include "generic.h" | ||
43 | #include "devices.h" | ||
44 | |||
45 | /****************************************************************************** | ||
46 | * Pin configuration | ||
47 | ******************************************************************************/ | ||
48 | static unsigned long palmtx_pin_config[] __initdata = { | ||
49 | /* MMC */ | ||
50 | GPIO32_MMC_CLK, | ||
51 | GPIO92_MMC_DAT_0, | ||
52 | GPIO109_MMC_DAT_1, | ||
53 | GPIO110_MMC_DAT_2, | ||
54 | GPIO111_MMC_DAT_3, | ||
55 | GPIO112_MMC_CMD, | ||
56 | |||
57 | /* AC97 */ | ||
58 | GPIO28_AC97_BITCLK, | ||
59 | GPIO29_AC97_SDATA_IN_0, | ||
60 | GPIO30_AC97_SDATA_OUT, | ||
61 | GPIO31_AC97_SYNC, | ||
62 | |||
63 | /* IrDA */ | ||
64 | GPIO46_FICP_RXD, | ||
65 | GPIO47_FICP_TXD, | ||
66 | |||
67 | /* PWM */ | ||
68 | GPIO16_PWM0_OUT, | ||
69 | |||
70 | /* USB */ | ||
71 | GPIO13_GPIO, | ||
72 | }; | ||
73 | |||
74 | /****************************************************************************** | ||
75 | * SD/MMC card controller | ||
76 | ******************************************************************************/ | ||
77 | static int palmtx_mci_init(struct device *dev, irq_handler_t palmtx_detect_int, | ||
78 | void *data) | ||
79 | { | ||
80 | int err = 0; | ||
81 | |||
82 | /* Setup an interrupt for detecting card insert/remove events */ | ||
83 | err = request_irq(IRQ_GPIO_PALMTX_SD_DETECT_N, palmtx_detect_int, | ||
84 | IRQF_DISABLED | IRQF_SAMPLE_RANDOM | | ||
85 | IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, | ||
86 | "SD/MMC card detect", data); | ||
87 | if (err) { | ||
88 | printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n", | ||
89 | __func__); | ||
90 | return err; | ||
91 | } | ||
92 | |||
93 | err = gpio_request(GPIO_NR_PALMTX_SD_POWER, "SD_POWER"); | ||
94 | if (err) | ||
95 | goto pwr_err; | ||
96 | |||
97 | err = gpio_request(GPIO_NR_PALMTX_SD_READONLY, "SD_READONLY"); | ||
98 | if (err) | ||
99 | goto ro_err; | ||
100 | |||
101 | printk(KERN_DEBUG "%s: irq registered\n", __func__); | ||
102 | |||
103 | return 0; | ||
104 | |||
105 | ro_err: | ||
106 | gpio_free(GPIO_NR_PALMTX_SD_POWER); | ||
107 | pwr_err: | ||
108 | free_irq(IRQ_GPIO_PALMTX_SD_DETECT_N, data); | ||
109 | return err; | ||
110 | } | ||
111 | |||
112 | static void palmtx_mci_exit(struct device *dev, void *data) | ||
113 | { | ||
114 | gpio_free(GPIO_NR_PALMTX_SD_READONLY); | ||
115 | gpio_free(GPIO_NR_PALMTX_SD_POWER); | ||
116 | free_irq(IRQ_GPIO_PALMTX_SD_DETECT_N, data); | ||
117 | } | ||
118 | |||
119 | static void palmtx_mci_power(struct device *dev, unsigned int vdd) | ||
120 | { | ||
121 | struct pxamci_platform_data *p_d = dev->platform_data; | ||
122 | gpio_set_value(GPIO_NR_PALMTX_SD_POWER, p_d->ocr_mask & (1 << vdd)); | ||
123 | } | ||
124 | |||
125 | static int palmtx_mci_get_ro(struct device *dev) | ||
126 | { | ||
127 | return gpio_get_value(GPIO_NR_PALMTX_SD_READONLY); | ||
128 | } | ||
129 | |||
130 | static struct pxamci_platform_data palmtx_mci_platform_data = { | ||
131 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, | ||
132 | .setpower = palmtx_mci_power, | ||
133 | .get_ro = palmtx_mci_get_ro, | ||
134 | .init = palmtx_mci_init, | ||
135 | .exit = palmtx_mci_exit, | ||
136 | }; | ||
137 | |||
138 | /****************************************************************************** | ||
139 | * GPIO keyboard | ||
140 | ******************************************************************************/ | ||
141 | static unsigned int palmtx_matrix_keys[] = { | ||
142 | KEY(0, 0, KEY_POWER), | ||
143 | KEY(0, 1, KEY_F1), | ||
144 | KEY(0, 2, KEY_ENTER), | ||
145 | |||
146 | KEY(1, 0, KEY_F2), | ||
147 | KEY(1, 1, KEY_F3), | ||
148 | KEY(1, 2, KEY_F4), | ||
149 | |||
150 | KEY(2, 0, KEY_UP), | ||
151 | KEY(2, 2, KEY_DOWN), | ||
152 | |||
153 | KEY(3, 0, KEY_RIGHT), | ||
154 | KEY(3, 2, KEY_LEFT), | ||
155 | |||
156 | }; | ||
157 | |||
158 | static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = { | ||
159 | .matrix_key_rows = 4, | ||
160 | .matrix_key_cols = 3, | ||
161 | .matrix_key_map = palmtx_matrix_keys, | ||
162 | .matrix_key_map_size = ARRAY_SIZE(palmtx_matrix_keys), | ||
163 | |||
164 | .debounce_interval = 30, | ||
165 | }; | ||
166 | |||
167 | /****************************************************************************** | ||
168 | * GPIO keys | ||
169 | ******************************************************************************/ | ||
170 | static struct gpio_keys_button palmtx_pxa_buttons[] = { | ||
171 | {KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" }, | ||
172 | }; | ||
173 | |||
174 | static struct gpio_keys_platform_data palmtx_pxa_keys_data = { | ||
175 | .buttons = palmtx_pxa_buttons, | ||
176 | .nbuttons = ARRAY_SIZE(palmtx_pxa_buttons), | ||
177 | }; | ||
178 | |||
179 | static struct platform_device palmtx_pxa_keys = { | ||
180 | .name = "gpio-keys", | ||
181 | .id = -1, | ||
182 | .dev = { | ||
183 | .platform_data = &palmtx_pxa_keys_data, | ||
184 | }, | ||
185 | }; | ||
186 | |||
187 | /****************************************************************************** | ||
188 | * Backlight | ||
189 | ******************************************************************************/ | ||
190 | static int palmtx_backlight_init(struct device *dev) | ||
191 | { | ||
192 | int ret; | ||
193 | |||
194 | ret = gpio_request(GPIO_NR_PALMTX_BL_POWER, "BL POWER"); | ||
195 | if (ret) | ||
196 | goto err; | ||
197 | ret = gpio_request(GPIO_NR_PALMTX_LCD_POWER, "LCD POWER"); | ||
198 | if (ret) | ||
199 | goto err2; | ||
200 | |||
201 | return 0; | ||
202 | err2: | ||
203 | gpio_free(GPIO_NR_PALMTX_BL_POWER); | ||
204 | err: | ||
205 | return ret; | ||
206 | } | ||
207 | |||
208 | static int palmtx_backlight_notify(int brightness) | ||
209 | { | ||
210 | gpio_set_value(GPIO_NR_PALMTX_BL_POWER, brightness); | ||
211 | gpio_set_value(GPIO_NR_PALMTX_LCD_POWER, brightness); | ||
212 | return brightness; | ||
213 | } | ||
214 | |||
215 | static void palmtx_backlight_exit(struct device *dev) | ||
216 | { | ||
217 | gpio_free(GPIO_NR_PALMTX_BL_POWER); | ||
218 | gpio_free(GPIO_NR_PALMTX_LCD_POWER); | ||
219 | } | ||
220 | |||
221 | static struct platform_pwm_backlight_data palmtx_backlight_data = { | ||
222 | .pwm_id = 0, | ||
223 | .max_brightness = PALMTX_MAX_INTENSITY, | ||
224 | .dft_brightness = PALMTX_MAX_INTENSITY, | ||
225 | .pwm_period_ns = PALMTX_PERIOD_NS, | ||
226 | .init = palmtx_backlight_init, | ||
227 | .notify = palmtx_backlight_notify, | ||
228 | .exit = palmtx_backlight_exit, | ||
229 | }; | ||
230 | |||
231 | static struct platform_device palmtx_backlight = { | ||
232 | .name = "pwm-backlight", | ||
233 | .dev = { | ||
234 | .parent = &pxa27x_device_pwm0.dev, | ||
235 | .platform_data = &palmtx_backlight_data, | ||
236 | }, | ||
237 | }; | ||
238 | |||
239 | /****************************************************************************** | ||
240 | * IrDA | ||
241 | ******************************************************************************/ | ||
242 | static void palmtx_irda_transceiver_mode(struct device *dev, int mode) | ||
243 | { | ||
244 | gpio_set_value(GPIO_NR_PALMTX_IR_DISABLE, mode & IR_OFF); | ||
245 | pxa2xx_transceiver_mode(dev, mode); | ||
246 | } | ||
247 | |||
248 | static struct pxaficp_platform_data palmtx_ficp_platform_data = { | ||
249 | .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF, | ||
250 | .transceiver_mode = palmtx_irda_transceiver_mode, | ||
251 | }; | ||
252 | |||
253 | /****************************************************************************** | ||
254 | * UDC | ||
255 | ******************************************************************************/ | ||
256 | static void palmtx_udc_command(int cmd) | ||
257 | { | ||
258 | gpio_set_value(GPIO_NR_PALMTX_USB_POWER, !cmd); | ||
259 | udelay(50); | ||
260 | gpio_set_value(GPIO_NR_PALMTX_USB_PULLUP, !cmd); | ||
261 | } | ||
262 | |||
263 | static struct pxa2xx_udc_mach_info palmtx_udc_info __initdata = { | ||
264 | .gpio_vbus = GPIO_NR_PALMTX_USB_DETECT_N, | ||
265 | .gpio_vbus_inverted = 1, | ||
266 | .udc_command = palmtx_udc_command, | ||
267 | }; | ||
268 | |||
269 | /****************************************************************************** | ||
270 | * Framebuffer | ||
271 | ******************************************************************************/ | ||
272 | static struct pxafb_mode_info palmtx_lcd_modes[] = { | ||
273 | { | ||
274 | .pixclock = 57692, | ||
275 | .xres = 320, | ||
276 | .yres = 480, | ||
277 | .bpp = 16, | ||
278 | |||
279 | .left_margin = 32, | ||
280 | .right_margin = 1, | ||
281 | .upper_margin = 7, | ||
282 | .lower_margin = 1, | ||
283 | |||
284 | .hsync_len = 4, | ||
285 | .vsync_len = 1, | ||
286 | }, | ||
287 | }; | ||
288 | |||
289 | static struct pxafb_mach_info palmtx_lcd_screen = { | ||
290 | .modes = palmtx_lcd_modes, | ||
291 | .num_modes = ARRAY_SIZE(palmtx_lcd_modes), | ||
292 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, | ||
293 | }; | ||
294 | |||
295 | /****************************************************************************** | ||
296 | * Machine init | ||
297 | ******************************************************************************/ | ||
298 | static struct platform_device *devices[] __initdata = { | ||
299 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | ||
300 | &palmtx_pxa_keys, | ||
301 | #endif | ||
302 | &palmtx_backlight, | ||
303 | }; | ||
304 | |||
305 | static struct map_desc palmtx_io_desc[] __initdata = { | ||
306 | { | ||
307 | .virtual = PALMTX_PCMCIA_VIRT, | ||
308 | .pfn = __phys_to_pfn(PALMTX_PCMCIA_PHYS), | ||
309 | .length = PALMTX_PCMCIA_SIZE, | ||
310 | .type = MT_DEVICE | ||
311 | }, | ||
312 | }; | ||
313 | |||
314 | static void __init palmtx_map_io(void) | ||
315 | { | ||
316 | pxa_map_io(); | ||
317 | iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc)); | ||
318 | } | ||
319 | |||
320 | static void __init palmtx_init(void) | ||
321 | { | ||
322 | pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config)); | ||
323 | |||
324 | set_pxa_fb_info(&palmtx_lcd_screen); | ||
325 | pxa_set_mci_info(&palmtx_mci_platform_data); | ||
326 | pxa_set_udc_info(&palmtx_udc_info); | ||
327 | pxa_set_ac97_info(NULL); | ||
328 | pxa_set_ficp_info(&palmtx_ficp_platform_data); | ||
329 | pxa_set_keypad_info(&palmtx_keypad_platform_data); | ||
330 | |||
331 | platform_add_devices(devices, ARRAY_SIZE(devices)); | ||
332 | } | ||
333 | |||
334 | MACHINE_START(PALMTX, "Palm T|X") | ||
335 | .phys_io = PALMTX_PHYS_IO_START, | ||
336 | .io_pg_offst = io_p2v(0x40000000), | ||
337 | .boot_params = 0xa0000100, | ||
338 | .map_io = palmtx_map_io, | ||
339 | .init_irq = pxa27x_init_irq, | ||
340 | .timer = &pxa_timer, | ||
341 | .init_machine = palmtx_init | ||
342 | MACHINE_END | ||